Lettuce: First to automate the cutting of a lettuce head from the rest of the plant. [A lot has...

...already been automated in lettuce harvesting. What follows is what is left to automate.] To win this challenge (and its future challenges), the invention must be operated on a lettuce farm at harvesting time and successfully operate without error for 100 hours of continuous work. Also, to win this challenge (and Future Challenges #1 through #8), the program must include a learning algorithm, must transmit at least once per operational day what it has learned to the company that developed the program, and download updates from that central server.